External Hex, Internal Hex, Internal Torx, External Torx
4 mm, 25 mm, 1-1/2 ", 5/8 ", 1-3/8 "
1/2, 2-1/2, 1/4, 3/8, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 28 mm, 70 mm, 2-1/2 in
12-Point, 8-Point, 4-Point, 7-Point, 6-Point
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